diff options
Diffstat (limited to 'nscd/nscd_helper.c')
| -rw-r--r-- | nscd/nscd_helper.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/nscd/nscd_helper.c b/nscd/nscd_helper.c index 92558b6..96fb93d 100644 --- a/nscd/nscd_helper.c +++ b/nscd/nscd_helper.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998-2007, 2008, 2009 Free Software Foundation, Inc. +/* Copyright (C) 1998-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. @@ -419,7 +419,6 @@ __nscd_get_mapping (request_type type, const char *key, return result; } - struct mapped_database * __nscd_get_map_ref (request_type type, const char *name, volatile struct locked_map_ptr *mapptr, int *gc_cyclep) @@ -428,16 +427,8 @@ __nscd_get_map_ref (request_type type, const char *name, if (cur == NO_MAPPING) return cur; - int cnt = 0; - while (__builtin_expect (atomic_compare_and_exchange_val_acq (&mapptr->lock, - 1, 0) != 0, 0)) - { - // XXX Best number of rounds? - if (__builtin_expect (++cnt > 5, 0)) - return NO_MAPPING; - - atomic_delay (); - } + if (!__nscd_acquire_maplock (mapptr)) + return NO_MAPPING; cur = mapptr->mapped; |